Argon in the basic oxygen process to control slopping

Details Argon in the basic oxygen process to control slopping Argon in the basic oxygen process to control slopping

1979-02-07

1980-07-01

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 59, C21C 532

Patent

active

042104424

ABSTRACT:
Slopping of emulsion from the mouth of a basic oxygen refining vessel is prevented during oxygen refining by introducing inert gas into the vessel when slopping is imminent or has begun. The preferred method is to inject argon in admixture with oxygen through the oxygen lance at a flow rate of from 5 to 30 percent of the oxygen flow rate.

REFERENCES:
patent: 3169058 (1965-02-01), Nelson
patent: 3953199 (1976-04-01), Michaelis
patent: 3960546 (1976-01-01), Rote
patent: 4004920 (1977-01-01), Fruehan
patent: 4089677 (1978-05-01), Spenceley
Chernyatevick et al., "Mechanism of the Formation of Ejections & Spatter from Basic Oxygen Furnaces," Steel in the USSR, Oct. 1976, vol. 6, pp. 544-547.
V. I. Baptizmansku et al., "Causes of Ejections and of Lancing Conditions in Basic Oxygen Furnace," Stal. Apr. 1967, pp. 309-312.
Stravinskas et al., "Influence of Operating Variable or BOF Yield," I & SM, May 1978, pp. 33-37.
Shakirov et al., "The Mechanism of the Foaming of Basic Oxygen Furnace Slag," Steel in the USSR, Jun. 1976, vol. 6.
Zarvin et al., "Some Features of Injection in the Melting of Steel in 350--Ton Basic Oxygen Furnaces," Steel in the USSR, Dec. 1976, vol. 6, pp. 659-662.

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